﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using Microsoft.AspNetCore.Routing.Constraints;
using Microsoft.AspNetCore.Routing;
using RouteStudy.Constraint;

namespace RouteStudy
{
    public class Startup
    {
        public Startup(IHostingEnvironment env)
        {
            var builder = new ConfigurationBuilder()
                .SetBasePath(env.ContentRootPath)
                .AddJsonFile("appsettings.json", optional: true, reloadOnChange: true)
                .AddJsonFile($"appsettings.{env.EnvironmentName}.json", optional: true)
                .AddEnvironmentVariables();
            Configuration = builder.Build();
        }

        public IConfigurationRoot Configuration { get; }

        // This method gets called by the runtime. Use this method to add services to the container.
        public void ConfigureServices(IServiceCollection services)
        {
            services.Configure<RouteOptions>(options=>
            {
                options.ConstraintMap.Add("even",typeof(EvenRouteConstraint));
            });
            // Add framework services.
            services.AddMvc();
        }

        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IHostingEnvironment env, ILoggerFactory loggerFactory)
        {
            loggerFactory.AddConsole(Configuration.GetSection("Logging"));
            loggerFactory.AddDebug();

            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
                app.UseBrowserLink();
            }
            else
            {
                app.UseExceptionHandler("/Home/Error");
            }

            app.UseStaticFiles();
            app.UseMvc(routes =>
            {
                //routes.MapRoute(
                //    name: "test",
                //    template: "TestShow",
                //    defaults: new
                //    {
                //        controller="Test",
                //        action="Show",
                //    });

                routes.MapRoute(
                    name: "areas",
                    template: "{area:exists}/{controller=Home}/{action=Index}");

                routes.MapRoute(
                    name: "default",
                    template: "{controller=Home}/{action=Index}/{id:even?}");
                    // defaults: new
                    // {
                    //     controller = "Home",
                    //     action = "Index",
                    // },
                    // constraints: new
                    // {
                    //     id = new EvenRouteConstraint()
                    // });
            });
        }
    }
}
